Garmin Descent S1 Buoy
Stay connected while you dive. The Garmin Descent S1 Buoy is a smart surface marker that links your Garmin Descent dive computer to your surface team using SubWave™ sonar. It lets you send and receive messages, tracks your depth, tank pressure, and position in real time, and can even trigger emergency alerts. Perfect for recreational dives, training, or tech missions—it's peace of mind, above and below.
Garmin Descent S1 Buoy – Key Features
Stay in touch, stay safe.
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Two-Way Messaging: Send quick preset messages like “OK” or “Need to surface soon” from your Descent dive computer to the surface team via SubWave™ sonar.
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Live Tracking: Surface crews can see your depth, tank pressure, location, and direction in real time using the Garmin Dive™ app.
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Diver-to-Diver Chat: Talk underwater! Message up to 8 divers within 100 m to stay connected and coordinated.
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Safety Alerts: Auto-alerts trigger if tank pressure drops too low or you stop moving, helping the surface team act fast.
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Post-Dive Insights: Review your dive route, depth, and more with heatmaps and data in the Garmin Dive™ app.
Built for the Water
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Tough & Ready: IPX8-rated, water-resistant to 10 m, and built for open-water use.
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Long Battery Life: Up to 15 hours on a single charge—enough for full-day dive missions.
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Easy Deployment: Clips to your boat or mooring line and stays visible above your dive site.
Diameter: 20.3 cm
Height: 13.5 cm
Weight: 981 g (0.98 kg)
Original Price: $4,499.00